Normally each casino game has a built-in advantage for the house. It is the reason that supplies casinos with their gaming profits. Definitely the house edge in the long run is a guarantee for the online casinos to get their profit. But before that online casinos need depositing players. The casinos basically have one of the most convincing teasers for the potential players, but it is a great one: money. This free casino money in a form of casino bonus completely change the house edge in favour of the player.

The principles

The principles are simple: you sign up an account and deposit - let's say $100. For the new client, the casino would match your deposit with the casino bonus money of $100. Hey, that's great especially if the casino allows cashing out the bonus straightaway. Obviously the casinos would have all gone bankrupt next day after launching if the allow players to milk their free casino bonus money so easy. That is why in the casino terms and conditions you would find that requirements to play a certain amount before you would be permitted to make a withdrawal of your funds. Let's say at the casino where we get 100% match casino bonus of $100 the wagering requirement 20 times the amount of the casino deposit and the casino bonus combined. This means you have to place a total of $4000 in bets before the cashing out is permitted. Casino player may place 40 bets of $100 each, or 800 bets of $5, or 4000 bets of $1. It is definitely a good deal as far as the casino allows to wager on the casino games where the house advantage over a player is low enough to extract a certain profit out of the casino bonus.

The house edge of the casino games varies greatly. The casino games which have a skill element, the edge is defined as the house advantage from optimal play. Depending on the house rules the house edge for the casino blackjack ranges from almost zero to 2%. 

In other words if you play perfect Blackjack Basic Strategy on six deck blackjack table the house advantage is 0.5%. One-half of one percent of $4000 is $20. So, it is possible to expect upon the completion of the wagering requirements to have $180 remaining of the starting balance of $200. That is $80 clear profit on the investment of $100. This type of the casino bonus requires conservative wagering with small stacks helping to avoid big fluctuations of the hands results.

Now it is up to the player to decide if the casino bonus profit looks reasonable to sign up the casino account estimating the amount of time it would take to meet the casino bonus wagering requirements. 

Let's say if you have to wager $50000 of $5 bets expecting to get casino bonus profit of $25, it is not worth your time even if you play blackjack faster than other casino players. Either the casino bonus is too small or the wagering requirement is too big, the time of the casino player is worth more than that. However there are plenty online casinos offering decent casino bonus promotions. With the latest high speed internet connection the casino games are pretty fast to play and lots of players can play up to 600 hands per hour.

Obviously online casinos realized that lots of players simply just milking the casino bonus money jumping from one casino to another. That is why casinos have been forced to put certain restrictions to prevent this from happening: increased casino bonus wagering requirements, implemented restrictions on some games from qualifying wagering requirements, created new types of casino bonuses.

On the other hand depending on the casino bonus type, casino bonus wagering requirements, restricted games for wagering professional players are able to beat the casinos by using different casino bonus strategies.